<!DOCTYPE html>
<html lang="en">
<head>
    <script src="https://cdn.jsdelivr.net/npm/vue@2.6.12"></script>
</head>
<body>
    <div id="app">
        <input type="checkbox" id="checkbox" v-model="checked">
        <lable>{{checked}}</lable>
    </div>
    <script>
        new Vue({
            el:"#app",
            data:{
                checked:true
            }
        })
    </script>
</body>
</html>